. You want to estimate the number of people in a town in favor of a proposed curfew law. You survey every fifth person who enters a post office. Tell whether the sample is biased or unbiased AND explain why

b is the correct answer

i think it's b. 5.5

step-by-step explanation:

because if you subtract 2 from 7.5 that's what you

hope that . i might be wrong though =i

the forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?